[jdk21u-dev] RFR: 8354941: Build failure with glibc 2.42 due to uabs() name collision

[Francesco Andreuzzi]

Backport JDK-8354941. Applies cleanly. Fixes compilation problems with glibc 2.42.

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Commit messages:
 - Backport 38bb8adf4f632b08af15f2d8530b35f05f86a020

Changes: https://git.openjdk.org/jdk21u-dev/pull/1855/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1855&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8354941
  Stats: 16 lines in 9 files changed: 0 ins; 0 del; 16 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/1855.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/1855/head:pull/1855

PR: https://git.openjdk.org/jdk21u-dev/pull/1855